# PositionMigrator

 This contract migrates position. This contract helps to deposit the assets deposited in the position and deposit them in the new position.

## Code

Github Link: (Will be updated after official launch)<br>

## Address

* Cypress : [0xb43879a835FD2097515b7B5C6c549929F1666bFc](https://scope.klaytn.com/account/0xb43879a835FD2097515b7B5C6c549929F1666bFc?tabId=internalTx)

## Events, Read-Only Functions, and State-Changing Functions

{% tabs %}
{% tab title="Events" %}

## Events

**MigratePosition**

```solidity
event MigratePosition(
    address user, 
    address token0, 
    address token1, 
    uint24 fee, 
    uint256 burnId, 
    uint256 mintId
)
```

**Parameters:**

<table><thead><tr><th width="134.66666666666666">Name</th><th width="128">Type</th><th>Description</th></tr></thead><tbody><tr><td><code>user</code></td><td>address</td><td>user address</td></tr><tr><td><code>token0</code></td><td>address</td><td>token0 address</td></tr><tr><td><code>token1</code></td><td>address</td><td>token1 address</td></tr><tr><td><code>fee</code></td><td>uint24</td><td>fee </td></tr><tr><td><code>burnId</code></td><td>uint256</td><td>tokenId of migrated position</td></tr><tr><td><code>mintId</code></td><td>uint256</td><td>tokenId of the newly minted position</td></tr></tbody></table>

**Zap**

```solidity
event Zap(
    address user, 
    address token0, 
    address token1, 
    uint24 fee, 
    uint256 amount, 
    bool zeroForOne, 
    uint256 tokenId
)
```

**Parameters:**

<table><thead><tr><th width="160.66666666666666">Name</th><th width="115">Type</th><th>Description</th></tr></thead><tbody><tr><td><code>user</code></td><td>address</td><td>user address</td></tr><tr><td><code>token0</code></td><td>address</td><td>token0 address</td></tr><tr><td><code>token1</code></td><td>address</td><td>token1 address</td></tr><tr><td><code>fee</code></td><td>uint24</td><td>fee </td></tr><tr><td><code>amount</code></td><td>uint256</td><td>amount to deposit</td></tr><tr><td><code>zeroForOne</code></td><td>bool</td><td><p>When depositing with token0: <code>true</code> </p><p>When depositing with token1: <code>false</code></p></td></tr><tr><td><code>tokenId</code></td><td>uint256</td><td>tokenId of the newly issued position</td></tr></tbody></table>
{% endtab %}

{% tab title="Parameter Structs" %}

## Parameter Struct

**MigrationParams**

```solidity
struct MigrationParams {
    uint256 tokenId;
    // Burn
    uint256 burnAmount0Min;
    uint256 burnAmount1Min;
    // Swap
    address tokenIn;
    uint256 swapAmountIn;
    uint256 swapAmountOutMin;
    // Mint
    int24 tickLower;
    int24 tickUpper;
    uint256 mintAmount0Min;
    uint256 mintAmount1Min;
    uint256 deadline;
    bool compoundFee;
}
```

**Parameters:**

<table><thead><tr><th width="211.66666666666666">Name</th><th width="103">Type</th><th>Description</th></tr></thead><tbody><tr><td><code>tokenId</code></td><td>uint256</td><td>tokenId to migrate</td></tr><tr><td><code>burnAmount0Min</code></td><td>uint256</td><td>The minimum value of token0 you will receive upon withdrawal</td></tr><tr><td><code>burnAmount1Min</code></td><td>uint256</td><td>The minimum value of token1 you will receive upon withdrawal</td></tr><tr><td><code>tokenIn</code></td><td>address</td><td>Address of token to be swapped</td></tr><tr><td><code>swapAmountIn</code></td><td>uint256</td><td>token amount to be swapped</td></tr><tr><td><code>swapAmountOutMin</code></td><td>uint256</td><td>Minimum value of tokens to be received in swap</td></tr><tr><td><code>tickLower</code></td><td>int24</td><td>Minimum ticks of new positions to be minted</td></tr><tr><td><code>tickUpper</code></td><td>int24</td><td>Minimum ticks of new positions to be minted</td></tr><tr><td><code>mintAmount0Min</code></td><td>uint256</td><td>Minimum value of token0 to be minted in the new position</td></tr><tr><td><code>mintAmount1Min</code></td><td>uint256</td><td>Minimum value of token1 to be minted in the new position</td></tr><tr><td><code>deadline</code></td><td>uint256</td><td>deadline</td></tr><tr><td><code>compoundFee</code></td><td>bool</td><td>Whether to deposit with fees</td></tr></tbody></table>

**ZappingParams**

```solidity
struct ZappingParams {
    contract IUniswapV3Pool pool;
    uint256 amount;
    int24 tickLower;
    int24 tickUpper;
    bool zeroForOne;
    uint256 mintAmount0Min;
    uint256 mintAmount1Min;
    uint256 tokenId;
    uint256 deadline;
}
```

**Parameters:**

<table><thead><tr><th width="211.66666666666666">Name</th><th width="135">Type</th><th>Description</th></tr></thead><tbody><tr><td><code>pool</code></td><td><code>contract IUniswapV3Pool</code></td><td>pool address to deposit</td></tr><tr><td><code>amount</code></td><td>uint256</td><td>token amount to deposit</td></tr><tr><td><code>tickLower</code></td><td>int24</td><td>Minimum tick of position to deposit</td></tr><tr><td><code>tickUpper</code></td><td>int24</td><td>Maximum tick of position to deposit</td></tr><tr><td><code>zeroForOne</code></td><td>bool</td><td>Whether the token to be deposited is token0</td></tr><tr><td><code>mintAmount0Min</code></td><td>uint256</td><td>Minimum value of token0 to be minted in the position to be minted</td></tr><tr><td><code>mintAmount1Min</code></td><td>uint256</td><td>Minimum value of token1 to be minted in the position to be minted</td></tr><tr><td><code>tokenId</code></td><td>uint256</td><td><p>tokenId to mint as Zap </p><p>'0' on first mint</p></td></tr><tr><td><code>deadline</code></td><td>uint256</td><td>deadline</td></tr></tbody></table>
{% endtab %}

{% tab title="State-Changing Functions" %}

## **State-Changing Functions**

**migrate**

```solidity
function migrate(
    struct MigrationParams calldata params
) external
```

&#x20;Deposit the assets deposited in the position and deposit them in the new position.

**zapWithETH**

```solidity
function zapWithETH(
    struct ZappingParams memory params
) external
```

A function that helps you deposit into a pool with ETH

**zapWithToken**

```solidity
function zapWithToken(
    struct ZappingParams memory params
) external 
```

A function that helps you deposit into a pool with one asset token
{% endtab %}
{% endtabs %}